bake the world a better place with nestle toll house. >>> finally tonight, sports, politics and changing the course of history on the field. abc's byron pitts in south africa tonight with a reminder how leadership reached across a racial divide. >> reporter: tomorrow and perhaps for the final time, south africans will stand in a stadium cheering nelson mandela's name. it's certainly not the first time. >> nelson, nelson! nelson! >> reporter: in 1995 at the rugby world championship, the moment so powerful, they made a movie out of it. >> i want to thank you for what you have done for our country. >> reporter: invictus tells the story of when mandela simply put on a rugby jersey and suddenly, unexpectedly, united this nation. fracois piennar who captained that spring bok team. >> when he walked into the dressing room wearing a springbok on his heart, it was just wow! >> reporter: for black south africans, the spring bok symbolized all that was evil about the racist system of apartheid. blacks played soccer. whites rugby. the rough nature of the sport, a metaphor for the brutish reality of